Standard Ignition LS409 Back Up Light Switch

OE-Style Back Up Light Switch

Standard Ignition LS409 is a direct-fit back up light switch for select Ford applications. It is built for proper fit, form, and function, with OE-style electrical performance for reliable reverse lamp operation.

Compatible With Ford Courier, Ford EcoSport, and Ford Fiesta applications from 2001-2012, this switch is a practical replacement when the original unit no longer signals reverse gear correctly. The LS409 part number is commonly searched for Ford Courier, EcoSport, and Fiesta back up light switch replacement needs.

Key Features

• Direct-fit OE replacement for straightforward installation
• Copper alloy conductors for strong electrical conductivity and reduced resistance
• 100% tested for mechanical and electrical switching performance
• Steel housing for durable switch construction
• Female connector with triangle shape
• Screw-in mounting style with male pin terminals

Detailed Product Overview

Standard Ignition LS409 is a screw-in back up light switch designed to restore reverse lamp function when the transmission-mounted switch wears out or loses electrical continuity. The female connector, triangle connector shape, and two male pin terminals support OE-style connection points, while the steel body helps maintain a secure fit at the mounting location. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

For Ford Courier, Ford EcoSport, and Ford Fiesta vehicles, LS409 provides a direct replacement option that aligns with the original switch layout and electrical requirements. The part number LS409 is also useful when searching for a Ford back up light switch replacement by application.

Common Problems This Part Can Address

• Reverse lights do not illuminate when the transmission is placed in reverse
• Intermittent back up lamp operation
• Corroded or worn switch contacts causing poor electrical signal
• Damaged connector interface at the switch
• Failed OE switch causing inspection or visibility concerns

Installation Notes

Verify connector style, terminal layout, and mounting thread before installation. Because this is a screw-in switch, removal and installation should be performed with care to avoid damaging the transmission case or surrounding components. Confirm the vehicle’s reverse lamp circuit operation after installation to ensure the switch is functioning correctly.

Quality Assurance

Standard Ignition states that this switch is tested for both mechanical actuation and electrical switching performance during manufacturing. The brand also notes complete quality control throughout production, supporting consistent OE-style replacement quality.